Since, the starting statement carries a subject; R will be the first statement as it talked about sense of inferiority. S follows next logically. P describes the feeling of inferiority and thus continues with the flow. Q will be the concluding statement and thus form a coherent paragraph.

The correct formation would be, ‘The sense of inferiority in others and not an exalting one is a painful feeling without this indirect appeal of our self-love.’

Since, the starting statement carries a subject; S will be the first statement as it talked about the world’s fastest computers. The next statement describes the initial use of the same and the statement that follows states the new uses of the computers as environmental tools. Thus SQRP is the correct sequence and thus form a coherent paragraph.

The correct formation would be, ‘The world’s fastest computers initially conceived for military purposes are finding various new uses as environmental tools.

Since, the starting statement carries a subject; R will be the first statement. The next statement describes why are they hunted, so Q follows P, as it states that what is being done with the horns. S would be the concluding statement and thus form a coherent paragraph.

The correct formation would be, ‘The Rhinoceros is hunted by poachers for its horn which is sold at high prices.’